here now, republican congressman joe heck from nevada, a member of the house committee. he was in the hearing and he heard general petraeus and sir, i've got to ask you, are you satisfied with david petraeus's testimony about the events that took the lives of ambassador chris stevens and three other americans? >> well, i am, kelly. i am he' satisfied with the testimony of general petraeus, but there's still unanswered questions that we're waiting to be answered by the administration and that is, what was known by the administration and when did they know it. general petraeus came before us on september 14th and gave his best assessment of the situation at that time and came back yesterday to reiterate many points and tell us where the inintelligence changed from when he first had come before us on september 14th, but what we do know is that the talking points that were put together and released by the cia were changed by the time they were presented on the sunday morning talk shows by ambassador rice, so the question, why were they changed, who changed them and what was